那些遇到过的问题

使用 Eclipse 部署 Spring Boot Web 示例，从 war 到 EAR，再到 websphere 8

ter*_*ung 2 eclipse maven java-6 web spring-boot

我已经使用 maven 创建了一个 web 项目并将其导入到 eclipse 中。然后，我在 cmd >> mvn spring-boot:run 上执行命令，服务器（嵌入式 tomcat）启动正常并且能够在浏览器上显示我的页面。但是，我不知道为什么它在 websphere 8 上部署后失败了。在部署之间或由于缺少配置，我猜一定出了问题..（我不知道！>.<）

我在网上尝试了很多解决方案，阅读文档，在样本上重建样本，但似乎没有任何效果。由于我公司的安全政策（由于网络安全，我什至无法访问谷歌驱动器），我无法在此处上传任何内容。但是按照步骤应该足够接近重现我的情况（我确实尝试了很多次但它失败了，我不知道为什么！对不起，我很沮丧）

这是我正在使用的：

  • 日食开普勒
  • Websphere 应用服务器 v8.0
  • 爪哇 6
  • 行家
  • 弹簧启动 1.4.1.RELEASE

长话短说：

  1. 下载示例 Web 项目
  2. 解压缩并将其作为现有的 maven 项目导入到 Eclipse 中
  3. 打开cmd，cd到项目目录（可以看到pom.xml）
  4. 发出命令：“mvn package”，成功打包后，发出命令：“mvn spring-boot:run”并在浏览器上打开[localhost:8080]。您应该能够看到一个虚拟网页。

对于在线找到的大多数样本，我可以做到这一点，但麻烦来了

  1. 创建 EAR 应用程序项目
  2. 在 Eclipse 中打开服务器选项卡并将 EAR 项目添加到 WebSphere Application Server v8。这里有一个错误：[不能将 EAR 项目添加到服务器，除非它包含 Web、EJB 或连接器模块。]第一个问题

然后我找到了这个链接 [ http://docs.spring.io/spring-boot/docs/current-SNAPSHOT/reference/htmlsingle/#howto-servlet-2-5]，我想我需要一个 web.xml该项目。我在 /webapp/WEB-INF 下创建了一个新文件 web.xml 并从#howto-servlet-2-5 页面复制并粘贴了整个代码。这样对吗？？

  1. 现在可以将 EAR 添加到 Websphere Application Server v8.0，转到 (WAS) 管理控制台，为该项目选择一个虚拟主机，保存并重新启动服务器。

  2. 在 Web 浏览器上打开 [localhost:8080]。您将看到此错误日志现在已损坏页面。第二期

回顾：

  1. 我是否必须需要一个 web.xml 才能将 EAR 部署到 WAS8？如果是，我应该在那里写什么？请参考文档/#howto-servlet-2-5 页面并告诉我我需要重新配置什么。

  2. 鉴于下面的错误日志，有人可以解释为什么会发生这种情况以及我能做些什么来解决这个问题？

我希望看到给出从 maven spring-boot web 项目（给定一个 war 文件）到 EAR 和部署到 WAS 8 的分步操作的答案。

感谢您提供建设性和实用的答案。

附言。是的，由于公司遗留问题，我必须使用 EAR、WAS8 和 Java6。请不要提出任何偏离所提到的技术的内容。

错误日志

[10/14/16 12:03:13:246 SGT] 00000015 SystemOut     O 2016-10-14 12:03:13.246  INFO 1948 --- [    Default : 2] com.ibm.ws.webcontainer.webapp           : SRVE0292I: Servlet Message - [testUploadEAR#testUpload.war]:.Initializing Spring FrameworkServlet 'appServlet'
[10/14/16 12:03:13:247 SGT] 00000015 SystemOut     O 12:03:13.246 [Default : 2] INFO org.springframework.web.servlet.DispatcherServlet - FrameworkServlet 'appServlet': initialization started
[10/14/16 12:03:13:257 SGT] 00000015 SystemOut     O 12:03:13.256 [Default : 2] ERROR org.springframework.web.servlet.DispatcherServlet - Context initialization failed
java.lang.IllegalStateException: No WebApplicationContext found: initializer not registered?
    at org.springframework.web.servlet.FrameworkServlet.findWebApplicationContext(FrameworkServlet.java:594)
    at org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:549)
    at org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:494)
    at org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:136)
    at javax.servlet.GenericServlet.init(GenericServlet.java:161)
    at com.ibm.ws.webcontainer.servlet.ServletWrapper.init(ServletWrapper.java:342)
    at com.ibm.ws.webcontainer.servlet.ServletWrapperImpl.init(ServletWrapperImpl.java:168)
    at com.ibm.ws.webcontainer.servlet.ServletWrapper.loadOnStartupCheck(ServletWrapper.java:1366)
    at com.ibm.ws.webcontainer.webapp.WebApp.doLoadOnStartupActions(WebApp.java:618)
    at com.ibm.ws.webcontainer.webapp.WebApp.commonInitializationFinally(WebApp.java:587)
    at com.ibm.ws.webcontainer.webapp.WebAppImpl.initialize(WebAppImpl.java:421)
    at com.ibm.ws.webcontainer.webapp.WebGroupImpl.addWebApplication(WebGroupImpl.java:88)
    at com.ibm.ws.webcontainer.VirtualHostImpl.addWebApplication(VirtualHostImpl.java:169)
    at com.ibm.ws.webcontainer.WSWebContainer.addWebApp(WSWebContainer.java:746)
    at com.ibm.ws.webcontainer.WSWebContainer.addWebApplication(WSWebContainer.java:634)
    at com.ibm.ws.webcontainer.component.WebContainerImpl.install(WebContainerImpl.java:422)
    at com.ibm.ws.webcontainer.component.WebContainerImpl.start(WebContainerImpl.java:714)
    at com.ibm.ws.runtime.component.ApplicationMgrImpl.start(ApplicationMgrImpl.java:1165)
    at com.ibm.ws.runtime.component.DeployedApplicationImpl.fireDeployedObjectStart(DeployedApplicationImpl.java:1369)
    at com.ibm.ws.runtime.component.DeployedModuleImpl.start(DeployedModuleImpl.java:639)
    at com.ibm.ws.runtime.component.DeployedApplicationImpl.start(DeployedApplicationImpl.java:967)
    at com.ibm.ws.runtime.component.ApplicationMgrImpl.startApplication(ApplicationMgrImpl.java:771)
    at com.ibm.ws.runtime.component.ApplicationMgrImpl.startApplicationDynamically(ApplicationMgrImpl.java:1362)
    at com.ibm.ws.runtime.component.ApplicationMgrImpl.start(ApplicationMgrImpl.java:2163)
    at com.ibm.ws.runtime.component.CompositionUnitMgrImpl.start(CompositionUnitMgrImpl.java:389)
    at com.ibm.ws.runtime.component.CompositionUnitImpl.start(CompositionUnitImpl.java:123)
    at com.ibm.ws.runtime.component.CompositionUnitMgrImpl.start(CompositionUnitMgrImpl.java:332)
    at com.ibm.ws.runtime.component.CompositionUnitMgrImpl.access$500(CompositionUnitMgrImpl.java:119)
    at com.ibm.ws.runtime.component.CompositionUnitMgrImpl$1.run(CompositionUnitMgrImpl.java:607)
    at com.ibm.ws.security.auth.ContextManagerImpl.runAs(ContextManagerImpl.java:5468)
    at com.ibm.ws.security.auth.ContextManagerImpl.runAsSystem(ContextManagerImpl.java:5594)
    at com.ibm.ws.security.core.SecurityContext.runAsSystem(SecurityContext.java:255)
    at com.ibm.ws.runtime.component.CompositionUnitMgrImpl.startCompositionUnit(CompositionUnitMgrImpl.java:621)
    at com.ibm.ws.runtime.component.CompositionUnitMgrImpl.startCompositionUnit(CompositionUnitMgrImpl.java:565)
    at com.ibm.ws.runtime.component.ApplicationMgrImpl.startApplication(ApplicationMgrImpl.java:1252)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:60)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37)
    at java.lang.reflect.Method.invoke(Method.java:611)
    at sun.reflect.misc.Trampoline.invoke(MethodUtil.java:69)
    at sun.reflect.GeneratedMethodAccessor13.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37)
    at java.lang.reflect.Method.invoke(Method.java:611)
    at sun.reflect.misc.MethodUtil.invoke(MethodUtil.java:272)
    at javax.management.modelmbean.RequiredModelMBean$4.run(RequiredModelMBean.java:1152)
    at java.security.AccessController.doPrivileged(AccessController.java:298)
    at com.ibm.oti.security.CheckedAccessControlContext.securityCheck(CheckedAccessControlContext.java:30)
    at sun.misc.JavaSecurityAccessWrapper.doIntersectionPrivilege(JavaSecurityAccessWrapper.java:41)
    at javax.management.modelmbean.RequiredModelMBean.invokeMethod(RequiredModelMBean.java:1146)
    at javax.management.modelmbean.RequiredModelMBean.invoke(RequiredModelMBean.java:999)
    at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:847)
    at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:783)
    at com.ibm.ws.management.AdminServiceImpl$1.run(AdminServiceImpl.java:1335)
    at com.ibm.ws.security.util.AccessController.doPrivileged(AccessController.java:118)
    at com.ibm.ws.management.AdminServiceImpl.invoke(AdminServiceImpl.java:1228)
    at com.ibm.ws.management.connector.AdminServiceDelegator.invoke(AdminServiceDelegator.java:181)
    at com.ibm.ws.management.connector.ipc.CallRouter.route(CallRouter.java:247)
    at com.ibm.ws.management.connector.ipc.IPCConnectorInboundLink.doWork(IPCConnectorInboundLink.java:360)
    at com.ibm.ws.management.connector.ipc.IPCConnectorInboundLink$IPCConnectorReadCallback.complete(IPCConnectorInboundLink.java:602)
    at com.ibm.ws.ssl.channel.impl.SSLReadServiceContext$SSLReadCompletedCallback.complete(SSLReadServiceContext.java:1818)
    at com.ibm.ws.tcp.channel.impl.AioReadCompletionListener.futureCompleted(AioReadCompletionListener.java:175)
    at com.ibm.io.async.AbstractAsyncFuture.invokeCallback(AbstractAsyncFuture.java:217)
    at com.ibm.io.async.AsyncChannelFuture.fireCompletionActions(AsyncChannelFuture.java:161)
    at com.ibm.io.async.AsyncFuture.completed(AsyncFuture.java:138)
    at com.ibm.io.async.ResultHandler.complete(ResultHandler.java:204)
    at com.ibm.io.async.ResultHandler.runEventProcessingLoop(ResultHandler.java:775)
    at com.ibm.io.async.ResultHandler$2.run(ResultHandler.java:905)
    at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1702)
[10/14/16 12:03:13:257 SGT] 00000015 SystemOut     O 2016-10-14 12:03:13.257 ERROR 1948 --- [    Default : 2] c.i.w.w.servlet.ServletWrapper           : Uncaught.init.exception.thrown.by.servlet
[10/14/16 12:03:13:265 SGT] 00000015 SystemOut     O 2016-10-14 12:03:13.264 ERROR 1948 --- [    Default : 2] com.ibm.ws.webcontainer.webapp           : SRVE0266E: Error occured while initializing servlets: {0}

javax.servlet.ServletException: SRVE0207E: Uncaught initialization exception created by servlet
    at com.ibm.ws.webcontainer.servlet.ServletWrapper.init(ServletWrapper.java:404) ~[com.ibm.ws.webcontainer.jar:na]
    at com.ibm.ws.webcontainer.servlet.ServletWrapperImpl.init(ServletWrapperImpl.java:168) ~[com.ibm.ws.webcontainer.jar:na]
    at com.ibm.ws.webcontainer.servlet.ServletWrapper.loadOnStartupCheck(ServletWrapper.java:1366) ~[com.ibm.ws.webcontainer.jar:na]
    at com.ibm.ws.webcontainer.webapp.WebApp.doLoadOnStartupActions(WebApp.java:618) ~[com.ibm.ws.webcontainer.jar:na]
    at com.ibm.ws.webcontainer.webapp.WebApp.commonInitializationFinally(WebApp.java:587) ~[com.ibm.ws.webcontainer.jar:na]
    at com.ibm.ws.webcontainer.webapp.WebAppImpl.initialize(WebAppImpl.java:421) [com.ibm.ws.webcontainer.jar:na]
    at com.ibm.ws.webcontainer.webapp.WebGroupImpl.addWebApplication(WebGroupImpl.java:88) [com.ibm.ws.webcontainer.jar:na]
    at com.ibm.ws.webcontainer.VirtualHostImpl.addWebApplication(VirtualHostImpl.java:169) [com.ibm.ws.webcontainer.jar:na]
    at com.ibm.ws.webcontainer.WSWebContainer.addWebApp(WSWebContainer.java:746) [com.ibm.ws.webcontainer.jar:na]
    at com.ibm.ws.webcontainer.WSWebContainer.addWebApplication(WSWebContainer.java:634) [com.ibm.ws.webcontainer.jar:na]
    at com.ibm.ws.webcontainer.component.WebContainerImpl.install(WebContainerImpl.java:422) [com.ibm.ws.webcontainer.jar:na]
    at com.ibm.ws.webcontainer.component.WebContainerImpl.start(WebContainerImpl.java:714) [com.ibm.ws.webcontainer.jar:na]
    at com.ibm.ws.runtime.component.ApplicationMgrImpl.start(ApplicationMgrImpl.java:1165) [com.ibm.ws.runtime.jar:na]
    at com.ibm.ws.runtime.component.DeployedApplicationImpl.fireDeployedObjectStart(DeployedApplicationImpl.java:1369) [com.ibm.ws.runtime.jar:na]
    at com.ibm.ws.runtime.component.DeployedModuleImpl.start(DeployedModuleImpl.java:639) [com.ibm.ws.runtime.jar:na]
    at com.ibm.ws.runtime.component.DeployedApplicationImpl.start(DeployedApplicationImpl.java:967) [com.ibm.ws.runtime.jar:na]
    at com.ibm.ws.runtime.component.ApplicationMgrImpl.startApplication(ApplicationMgrImpl.java:771) [com.ibm.ws.runtime.jar:na]
    at com.ibm.ws.runtime.component.ApplicationMgrImpl.startApplicationDynamically(ApplicationMgrImpl.java:1362) [com.ibm.ws.runtime.jar:na]
    at com.ibm.ws.runtime.component.ApplicationMgrImpl.start(ApplicationMgrImpl.java:2163) [com.ibm.ws.runtime.jar:na]
    at com.ibm.ws.runtime.component.CompositionUnitMgrImpl.start(CompositionUnitMgrImpl.java:389) [com.ibm.ws.runtime.jar:na]
    at com.ibm.ws.runtime.component.CompositionUnitImpl.start(CompositionUnitImpl.java:123) [com.ibm.ws.runtime.jar:na]
    at com.ibm.ws.runtime.component.CompositionUnitMgrImpl.start(CompositionUnitMgrImpl.java:332) [com.ibm.ws.runtime.jar:na]
    at com.ibm.ws.runtime.component.CompositionUnitMgrImpl.access$500(CompositionUnitMgrImpl.java:119) [com.ibm.ws.runtime.jar:na]
    at com.ibm.ws.runtime.component.CompositionUnitMgrImpl$1.run(CompositionUnitMgrImpl.java:607) [com.ibm.ws.runtime.jar:na]
    at com.ibm.ws.security.auth.ContextManagerImpl.runAs(ContextManagerImpl.java:5468) [com.ibm.ws.runtime.jar:na]
    at com.ibm.ws.security.auth.ContextManagerImpl.runAsSystem(ContextManagerImpl.java:5594) [com.ibm.ws.runtime.jar:na]
    at com.ibm.ws.security.core.SecurityContext.runAsSystem(SecurityContext.java:255) [com.ibm.ws.runtime.jar:na]
    at com.ibm.ws.runtime.component.CompositionUnitMgrImpl.startCompositionUnit(CompositionUnitMgrImpl.java:621) [com.ibm.ws.runtime.jar:na]
    at com.ibm.ws.runtime.component.CompositionUnitMgrImpl.startCompositionUnit(CompositionUnitMgrImpl.java:565) [com.ibm.ws.runtime.jar:na]
    at com.ibm.ws.runtime.component.ApplicationMgrImpl.startApplication(ApplicationMgrImpl.java:1252) [com.ibm.ws.runtime.jar:na]
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.6.0]
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:60) ~[na:1.6.0]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37) ~[na:1.6.0]
    at java.lang.reflect.Method.invoke(Method.java:611) ~[na:1.6.0]
    at sun.reflect.misc.Trampoline.invoke(MethodUtil.java:69) [na:1.6.0]
    at sun.reflect.GeneratedMethodAccessor13.invoke(Unknown Source) ~[na:na]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37) ~[na:1.6.0]
    at java.lang.reflect.Method.invoke(Method.java:611) ~[na:1.6.0]
    at sun.reflect.misc.MethodUtil.invoke(MethodUtil.java:272) [na:1.6.0]
    at javax.management.modelmbean.RequiredModelMBean$4.run(RequiredModelMBean.java:1152) [na:1.6.0]
    at java.security.AccessController.doPrivileged(AccessController.java:298) [na:na]
    at com.ibm.oti.security.CheckedAccessControlContext.securityCheck(CheckedAccessControlContext.java:30) [na:2.6 (04-09-2014)]
    at sun.misc.JavaSecurityAccessWrapper.doIntersectionPrivilege(JavaSecurityAccessWrapper.java:41) [na:1.6.0]
    at javax.management.modelmbean.RequiredModelMBean.invokeMethod(RequiredModelMBean.java:1146) [na:1.6.0]
    at javax.management.modelmbean.RequiredModelMBean.invoke(RequiredModelMBean.java:999) [na:1.6.0]
    at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:847) [na:1.6.0]
    at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:783) [na:1.6.0]
    at com.ibm.ws.management.AdminServiceImpl$1.run(AdminServiceImpl.java:1335) [com.ibm.ws.admin.core.jar:na]
    at com.ibm.ws.security.util.AccessController.doPrivileged(AccessController.java:118) [bootstrap.jar:WAS80.SERV1 [cf091421.01]]
    at com.ibm.ws.management.AdminServiceImpl.invoke(AdminServiceImpl.java:1228) [com.ibm.ws.admin.core.jar:na]
    at com.ibm.ws.management.connector.AdminServiceDelegator.invoke(AdminServiceDelegator.java:181) [com.ibm.ws.admin.core.jar:na]
    at com.ibm.ws.management.connector.ipc.CallRouter.route(CallRouter.java:247) [com.ibm.ws.admin.core.jar:na]
    at com.ibm.ws.management.connector.ipc.IPCConnectorInboundLink.doWork(IPCConnectorInboundLink.java:360) [com.ibm.ws.admin.core.jar:na]
    at com.ibm.ws.management.connector.ipc.IPCConnectorInboundLink$IPCConnectorReadCallback.complete(IPCConnectorInboundLink.java:602) [com.ibm.ws.admin.core.jar:na]
    at com.ibm.ws.ssl.channel.impl.SSLReadServiceContext$SSLReadCompletedCallback.complete(SSLReadServiceContext.java:1818) [com.ibm.ws.runtime.jar:na]
    at com.ibm.ws.tcp.channel.impl.AioReadCompletionListener.futureCompleted(AioReadCompletionListener.java:175) [com.ibm.ws.runtime.jar:na]
    at com.ibm.io.async.AbstractAsyncFuture.invokeCallback(AbstractAsyncFuture.java:217) [com.ibm.ws.runtime.jar:na]
    at com.ibm.io.async.AsyncChannelFuture.fireCompletionActions(AsyncChannelFuture.java:161) [com.ibm.ws.runtime.jar:na]
    at com.ibm.io.async.AsyncFuture.completed(AsyncFuture.java:138) [com.ibm.ws.runtime.jar:na]
    at com.ibm.io.async.ResultHandler.complete(ResultHandler.java:204) [com.ibm.ws.runtime.jar:na]
    at com.ibm.io.async.ResultHandler.runEventProcessingLoop(ResultHandler.java:775) [com.ibm.ws.runtime.jar:na]
    at com.ibm.io.async.ResultHandler$2.run(ResultHandler.java:905) [com.ibm.ws.runtime.jar:na]
    at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1702) [com.ibm.ws.runtime.jar:na]
Caused by: java.lang.IllegalStateException: No WebApplicationContext found: initializer not registered?
    at org.springframework.web.servlet.FrameworkServlet.findWebApplicationContext(FrameworkServlet.java:594) ~[spring-webmvc-4.3.3.RELEASE.jar:4.3.3.RELEASE]
    at org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:549) ~[spring-webmvc-4.3.3.RELEASE.jar:4.3.3.RELEASE]
    at org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:494) ~[spring-webmvc-4.3.3.RELEASE.jar:4.3.3.RELEASE]
    at org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:136) ~[spring-webmvc-4.3.3.RELEASE.jar:4.3.3.RELEASE]
    at javax.servlet.GenericServlet.init(GenericServlet.java:161) ~[javax.j2ee.servlet.jar:na]
    at com.ibm.ws.webcontainer.servlet.ServletWrapper.init(ServletWrapper.java:342) ~[com.ibm.ws.webcontainer.jar:na]
    ... 62 common frames omitted
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ndr*_*one 7

好的，这里是使用 servlet 2.5 在 WebSphere 上运行的 Spring Boot 应用程序的完整设置。（至少我正在运行）

pom.xml

将您的包装设置为战争

<packaging>war</packaging>
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添加这两个依赖项

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-legacy</artifactId>
    <version>1.0.2.RELEASE</version>
</dependency>
<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-tomcat</artifactId>
    <scope>provided</scope>
</dependency>
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并拥有 spring boot 插件

<build>
    <plugins>
        <plugin>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-maven-plugin</artifactId>
        </plugin>
    </plugins>
</build>
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Spring Boot 应用程序类

确保您的主类扩展SpringBootServletInitializer并覆盖下面显示的方法。

@SpringBootApplication
public class DemoApplication extends SpringBootServletInitializer {

    public static void main(String[] args) {
        SpringApplication.run(DemoApplication.class, args);
    }

    @Override
    protected SpringApplicationBuilder configure(SpringApplicationBuilder application) {
        return application.sources(CustomerSignupServerApplication.class);
    }
}
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网页.xml

确保您的 web.xml 设置如下，并且该context-param部分指向带有注释的类@SpringBootApplication

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">

    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>com.demo.DemoApplication</param-value>
    </context-param>

    <listener>
        <listener-class>org.springframework.boot.legacy.context.web.SpringBootContextLoaderListener</listener-class>
    </listener>

    <filter>
        <filter-name>metricFilter</filter-name>
        <filter-class>org.springframework.web.filter.DelegatingFilterProxy</filter-class>
    </filter>

    <filter-mapping>
        <filter-name>metricFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>

    <servlet>
        <servlet-name>appServlet</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <init-param>
            <param-name>contextAttribute</param-name>
            <param-value>org.springframework.web.context.WebApplicationContext.ROOT</param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
    </servlet>

    <servlet-mapping>
        <servlet-name>appServlet</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>

</web-app>
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最后

当您运行打包基于Maven的应用程序mvn clean package，将建造2个WAR文件：application.war而application.war.original后者是你会想采取和封装到一个EAR什么。

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Spring data jpa 规范：如何通过其子对象属性过滤父对象 6
难疑归档
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